我打开就是这样了

      Bad video card drivers!      
      -----------------------      
Minecraft was unable to start because it failed to find an accelerated OpenGL mode.
This can usually be fixed by updating the video card drivers.

--- BEGIN ERROR REPORT 7fe0271 --------
Generated 12-7-25 下午10:15
- Minecraft Version: 12w18a
- Operating System: Windows XP (x86) version 5.1
- Java Version: 1.7.0_04, Oracle Corporation
- Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
- Memory: 11071936 bytes (10 MB) / 28856320 bytes (27 MB) up to 1060372480 bytes (1011 MB)
- LWJGL: 2.4.2
- OpenGL: ~ERROR~ NullPointerException: null[failed to get system properties (java.lang.NullPointerException)]

org.lwjgl.LWJGLException: Pixel format not accelerated
at org.lwjgl.opengl.WindowsPeerInfo.nChoosePixelFormat(Native Method)
at org.lwjgl.opengl.WindowsPeerInfo.choosePixelFormat(WindowsPeerInfo.java:52)
at org.lwjgl.opengl.WindowsDisplay.createWindow(WindowsDisplay.java:185)
at org.lwjgl.opengl.Display.createWindow(Display.java:311)
at org.lwjgl.opengl.Display.create(Display.java:856)
at org.lwjgl.opengl.Display.create(Display.java:784)
at org.lwjgl.opengl.Display.create(Display.java:765)
at net.minecraft.client.Minecraft.a(SourceFile:222)
at net.minecraft.client.Minecraft.run(SourceFile:508)
at java.lang.Thread.run(Unknown Source)
--- END ERROR REPORT d10bac5 ----------
我打开就是这样了